Finding the Fourth Proportional to 23,789.34, 35,618.31 and 17,928.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,789.34 : 35,618.31 = 17,928.18 : x
2. Step 2: Convert to fraction form
   23,789.34/35,618.31 = 17,928.18/x
3. Step 3: Cross multiply
   23,789.34x = 35,618.31 × 17,928.18
4. Step 4: Simplify right side
   23,789.34x = 638,571,472.98
5. Step 5: Solve for x
   x = 638,571,472.98/23,789.34
6. Step 6: Final answer
   x = 26,842.76